Dell Vostro 330 (Early 2011) - Manual (Page 45)

9. Remove the middle bezel.
Installing The Middle Bezel
1. Place the middle bezel on the computer.
2. Press the middle bezel into the computer till all the tabs snap into place.
3. Replace the screws that secure the middle bezel to the computer.
4. Replace the system board shield .
5. Replace the front stand .
6. Replace the cover .
7. Follow the procedures in After Working Inside Your Computer .
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